diff --git a/fs/sync/rc.go b/fs/sync/rc.go
index b00d2adb1..5f1de86aa 100644
--- a/fs/sync/rc.go
+++ b/fs/sync/rc.go
@@ -24,6 +24,7 @@ func init() {
 
 - srcFs - a remote name string e.g. "drive:src" for the source
 - dstFs - a remote name string e.g. "drive:dst" for the destination
+- createEmptySrcDirs - create empty src directories on destination if set
 ` + moveHelp + `
 
 See the [` + name + ` command](/commands/rclone_` + name + `/) command for more information on the above.`,